串靠外输过程中断缆分析是外输安全性分析的重要问题之一.由于大缆、系泊线等结构受力复杂,给研究其可靠性评估带来很多困难.本文结合最弱失效模式组理论,将外输过程中大缆和系泊系统的断缆危险性分析分为若干个正交的最弱失效模式,结合不同海况下软件计算结果,将断缆风险分析分为大缆和系泊系统分别分析,并将其作为串联系统进行可靠度的计算,为解决串靠断缆安全性分析提供了可行的技术方案.本文对串靠外输的风险评估具有一定的指导意义.%Broken hawser analysis in tandem is one of the key security analysis problems of offloading. It has brought many difficulties to research and development of reliability assessment because of the complexity of stress in hawser and mooring systems. Based on the weakest-failure modes theory, a broken hawser risk analysis of hawser and mooring systems was classified into several orthogonal weakest-failure modes which were calculated respectively binding the software calculation results. The system was classified as a series of systems and calculated by example,which provided a feasible technical solution of the broken hawser analysis in tandem. The research is of instructive significance to the security analysis problems of offloading in tandem.
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